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@ARTICLE{Jia:185611,
author = {Jia, J. Y. and Preusse, P. and Ern, M. and Chun, H.-Y. and
Gille, J. C. and Eckermann, S. D. and Riese, M.},
title = {{S}ea surface temperature as a proxy for convective gravity
wave excitation: a study based on global gravity wave
observations in the middle atmosphere},
journal = {Annales geophysicae},
volume = {32},
number = {11},
issn = {1432-0576},
address = {Katlenburg, Lindau},
publisher = {Copernicus},
reportid = {FZJ-2014-07037},
pages = {1373 - 1394},
year = {2014},
abstract = {Absolute values of gravity wave momentum flux (GWMF)
deduced from satellite measurements by the Sounding of the
Atmosphere using Broadband Emission Radiometry (SABER)
instrument and the High Resolution Dynamics Limb Sounder
(HIRDLS) are correlated with sea surface temperature (SST)
with the aim of identifying those oceanic regions for which
convection is a major source of gravity waves (GWs). Our
study identifies those latitude bands where high correlation
coefficients indicate convective excitation with confidence.
This is based on a global ray-tracing simulation, which is
used to delineate the source and wind-filtering effects.
Convective GWs are identified at the eastern coasts of the
continents and over the warm water regions formed by the
warm ocean currents, in particular the Gulf Stream and the
Kuroshio. Potential contributions of tropical cyclones to
the excitation of the GWs are discussed. Convective
excitation can be identified well into the mid-mesosphere.
In propagating upward, the centers of GWMF formed by
convection shift poleward. Some indications of the main
forcing regions are even shown for the upper
mesosphere/lower thermosphere (MLT).},
cin = {IEK-7},
ddc = {550},
cid = {I:(DE-Juel1)IEK-7-20101013},
pnm = {234 - Composition and Dynamics of the Upper Troposphere and
Stratosphere (POF2-234)},
pid = {G:(DE-HGF)POF2-234},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000345785000001},
doi = {10.5194/angeo-32-1373-2014},
url = {https://juser.fz-juelich.de/record/185611},
}